Roku HD110 User Guide - Page 69

Sample script, Roku Objects, HELLO.BRS, Roku&gt, AUTORUN.BRS, Roku BrightScript Reference

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Sample script Here is how to create a very simple script: 1 Using a text editor, create a file called HELLO.BRS by entering this line: print "hello world" 2 Save HELLO.BRS into the root directory of a SD card. 3 Insert the SD card into BrightSign. 4 Connect the serial port of BrightSign to your PC using a null modem cable. 5 On your PC, run HyperTerminal (see BrightSign shell for details). 6 Turn on BrightSign and wait for the Roku> shell prompt to appear. 7 Type: script hello.brs You should see "hello world" on your PC screen. 8 If you want the script to autorun upon boot, rename it AUTORUN.BRS. Roku Objects As well as the BrightScript language itself, BrightSign relies upon a library of Roku Objects to expose the hardware to the scripting language. Each Roku Object provides access to certain capabilities. For example, there is a roVideoPlayer object and a roTouchScreen object. To create an object in a script, you need to use the CreateObject() function. When writing scripts, refer to the following two manuals: • Roku BrightScript Reference: Describes the scripting language • Roku Object Reference: Describes Roku Objects, such as roVideoPlayer 63 • •

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Sample script
Here is how to create a very simple script:
1
Using a text editor, create a file called
HELLO.BRS
by entering this line:
print “hello world”
2
Save HELLO.BRS into the root directory of a SD card.
3
Insert the SD card into BrightSign.
4
Connect the serial port of BrightSign to your PC using a null modem cable.
5
On your PC, run HyperTerminal (see
B
rightSign
shell
for details).
6
Turn on BrightSign and wait for the
Roku>
shell prompt to appear.
7
Type:
script hello.brs
You should see “hello world” on your PC screen.
8
If you want the script to autorun upon boot, rename it
AUTORUN.BRS
.
Roku Objects
As well as the BrightScript language itself, BrightSign relies upon a library of Roku Objects to
expose the hardware to the scripting language. Each Roku Object provides access to certain
capabilities. For example, there is a roVideoPlayer object and a roTouchScreen object. To create
an object in a script, you need to use the CreateObject() function.
When writing scripts, refer to the following two manuals:
•
Roku BrightScript Reference:
Describes the scripting language
•
Roku Object Reference:
Describes Roku Objects, such as
roVideoPlayer